scotland yard is looking for new leadership and even the prime minister's on the defense. david cameron cut short an overseas trip and will address parliament on wednesday. meanwhile, the man who first blew the whistle on the news of the world was found dead today. his death, however, not considered suspicious. stephanie gosk reports. >> reporter: london's police, the fabled scotland yard is reeling after two sudden resignations of the most senior leadership. sir paul stooenson and his deputy john yates, career policemen, the most recent resignations. maintaining at times close relationships with the very people they were supposed to be investigating. police officers accepting bribes from reporters has allegedly been common place. stevenson and yates both deny any wrongdoing on their part. what started as a scandal involving a single newspaper has now grown so large it's rocking this country's institutions and the murdoch empire. so far, there's four high-profile resignations, ten arrests, most recently rebecca brooks, one of murdoch's most trusted assistants. brooks who d